3543641 has 4 divisors (see below), whose sum is σ = 3657984. Its totient is φ = 3429300.

The previous prime is 3543629. The next prime is 3543643. The reversal of 3543641 is 1463453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3543641 - 2⁶ = 3543577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3543641.

It is not an unprimeable number, because it can be changed into a prime (3543643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57125 + ... + 57186.

It is an arithmetic number, because the mean of its divisors is an integer number (914496).

Almost surely, 2^3543641 is an apocalyptic number.

3543641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3543641 is a deficient number, since it is larger than the sum of its proper divisors (114343).

3543641 is a wasteful number, since it uses less digits than its factorization.

3543641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114342.

The product of its digits is 4320, while the sum is 26.

The square root of 3543641 is about 1882.4561083861. The cubic root of 3543641 is about 152.4578903711.

The spelling of 3543641 in words is "three million, five hundred forty-three thousand, six hundred forty-one".